Oh, sure -- you've got at least 893.1 options (at last count, anyway) when it comes to noise cancelling headphones for your iDevice, but do any of those plug directly into the dock connector instead of requiring a separate battery? Exactly. That's the claim to fame for Blackbox's i10, a new set of earbuds that rely on power from your iPod or iPhone in order to achieve that active...

Fits iPod and iPhone earbuds (those included in the original Apple retail packaging). Simply snaps into place on your earbuds. Fits most BlackBerry® and other manufacturers' standard earbuds. Always keeps your earbuds available at shoulder height.
One Year Limited Warranty